spi: Fix reversed args to time_before() in Freescale stmp driver.

Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
diff --git a/drivers/spi/spi_stmp.c b/drivers/spi/spi_stmp.c
index 2552bb3..fadff76 100644
--- a/drivers/spi/spi_stmp.c
+++ b/drivers/spi/spi_stmp.c
@@ -76,7 +76,7 @@
 			break;						\
 		}							\
 		cpu_relax();						\
-	} while (time_before(end_jiffies, jiffies));			\
+	} while (time_before(jiffies, end_jiffies));			\
 	succeeded;							\
 	})